view runtime/tools/blink.c @ 17503:638669fc0f65

Added tag v8.1.1749 for changeset bc6088919610f568ed7e9e776e3cb2e13869a13b
author Bram Moolenaar <Bram@vim.org>
date Thu, 25 Jul 2019 22:00:06 +0200
parents 64035abb986b
children
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/*
 * An extremely simple program to make the cursor blink in an xterm.
 * This is useful when the cursor is hard to spot in a highlighted file.
 * Start in the background: "blink&"  Stop by killing it.
 * Bram Moolenaar  980109  (based on an idea from John Lange).
 */

#include <stdio.h>
#include <unistd.h>

	int
main(void)
{
	while (1)
	{
		printf("\e[?25h");
		fflush(stdout);
		usleep(400000);		/* on time */
		printf("\e[?25l");
		fflush(stdout);
		usleep(250000);		/* off time */
	}
	return 0;
}